Díaz, José Raúl. <br/><br/>
Water resources of the Río Grande de Añasco  Lower Valley, Puerto Rico 
José Raúl Díaz and Donald G. Jordán. 
 - San Juan, P.R.  U.S. Geological Survey  1987. 
 - vii, 48 p.  ill., maps. 
<br/><br/>Bibliography : p. 47-48. 
<br/><br/><label>LCCN: </label>fel36001782  
<br/><br/><label>Subjects--Topical Terms: </label><br/>Rivers--Puerto Rico<br/>Río Grande de Añasco P.R.
<br/><br/><label>Subjects--Geographic Terms: </label><br/>Puerto Rico